1 /*
2  * Copyright (C) 2005 - 2014 Emulex
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17 
18 #include "be.h"
19 #include "be_cmds.h"
20 #include <linux/ethtool.h>
21 
22 struct be_ethtool_stat {
23 	char desc[ETH_GSTRING_LEN];
24 	int type;
25 	int size;
26 	int offset;
27 };
28 
29 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
31 					offsetof(_struct, field)
32 #define DRVSTAT_TX_INFO(field)	#field, DRVSTAT_TX,\
33 					FIELDINFO(struct be_tx_stats, field)
34 #define DRVSTAT_RX_INFO(field)	#field, DRVSTAT_RX,\
35 					FIELDINFO(struct be_rx_stats, field)
36 #define	DRVSTAT_INFO(field)	#field, DRVSTAT,\
37 					FIELDINFO(struct be_drv_stats, field)
38 
39 static const struct be_ethtool_stat et_stats[] = {
40 	{DRVSTAT_INFO(rx_crc_errors)},
41 	{DRVSTAT_INFO(rx_alignment_symbol_errors)},
42 	{DRVSTAT_INFO(rx_pause_frames)},
43 	{DRVSTAT_INFO(rx_control_frames)},
44 	/* Received packets dropped when the Ethernet length field
45 	 * is not equal to the actual Ethernet data length.
46 	 */
47 	{DRVSTAT_INFO(rx_in_range_errors)},
48 	/* Received packets dropped when their length field is >= 1501 bytes
49 	 * and <= 1535 bytes.
50 	 */
51 	{DRVSTAT_INFO(rx_out_range_errors)},
52 	/* Received packets dropped when they are longer than 9216 bytes */
53 	{DRVSTAT_INFO(rx_frame_too_long)},
54 	/* Received packets dropped when they don't pass the unicast or
55 	 * multicast address filtering.
56 	 */
57 	{DRVSTAT_INFO(rx_address_filtered)},
58 	/* Received packets dropped when IP packet length field is less than
59 	 * the IP header length field.
60 	 */
61 	{DRVSTAT_INFO(rx_dropped_too_small)},
62 	/* Received packets dropped when IP length field is greater than
63 	 * the actual packet length.
64 	 */
65 	{DRVSTAT_INFO(rx_dropped_too_short)},
66 	/* Received packets dropped when the IP header length field is less
67 	 * than 5.
68 	 */
69 	{DRVSTAT_INFO(rx_dropped_header_too_small)},
70 	/* Received packets dropped when the TCP header length field is less
71 	 * than 5 or the TCP header length + IP header length is more
72 	 * than IP packet length.
73 	 */
74 	{DRVSTAT_INFO(rx_dropped_tcp_length)},
75 	{DRVSTAT_INFO(rx_dropped_runt)},
76 	/* Number of received packets dropped when a fifo for descriptors going
77 	 * into the packet demux block overflows. In normal operation, this
78 	 * fifo must never overflow.
79 	 */
80 	{DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
81 	/* Received packets dropped when the RX block runs out of space in
82 	 * one of its input FIFOs. This could happen due a long burst of
83 	 * minimum-sized (64b) frames in the receive path.
84 	 * This counter may also be erroneously incremented rarely.
85 	 */
86 	{DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
87 	{DRVSTAT_INFO(rx_ip_checksum_errs)},
88 	{DRVSTAT_INFO(rx_tcp_checksum_errs)},
89 	{DRVSTAT_INFO(rx_udp_checksum_errs)},
90 	{DRVSTAT_INFO(tx_pauseframes)},
91 	{DRVSTAT_INFO(tx_controlframes)},
92 	{DRVSTAT_INFO(rx_priority_pause_frames)},
93 	{DRVSTAT_INFO(tx_priority_pauseframes)},
94 	/* Received packets dropped when an internal fifo going into
95 	 * main packet buffer tank (PMEM) overflows.
96 	 */
97 	{DRVSTAT_INFO(pmem_fifo_overflow_drop)},
98 	{DRVSTAT_INFO(jabber_events)},
99 	/* Received packets dropped due to lack of available HW packet buffers
100 	 * used to temporarily hold the received packets.
101 	 */
102 	{DRVSTAT_INFO(rx_drops_no_pbuf)},
103 	/* Received packets dropped due to input receive buffer
104 	 * descriptor fifo overflowing.
105 	 */
106 	{DRVSTAT_INFO(rx_drops_no_erx_descr)},
107 	/* Packets dropped because the internal FIFO to the offloaded TCP
108 	 * receive processing block is full. This could happen only for
109 	 * offloaded iSCSI or FCoE trarffic.
110 	 */
111 	{DRVSTAT_INFO(rx_drops_no_tpre_descr)},
112 	/* Received packets dropped when they need more than 8
113 	 * receive buffers. This cannot happen as the driver configures
114 	 * 2048 byte receive buffers.
115 	 */
116 	{DRVSTAT_INFO(rx_drops_too_many_frags)},
117 	{DRVSTAT_INFO(forwarded_packets)},
118 	/* Received packets dropped when the frame length
119 	 * is more than 9018 bytes
120 	 */
121 	{DRVSTAT_INFO(rx_drops_mtu)},
122 	/* Number of dma mapping errors */
123 	{DRVSTAT_INFO(dma_map_errors)},
124 	/* Number of packets dropped due to random early drop function */
125 	{DRVSTAT_INFO(eth_red_drops)},
126 	{DRVSTAT_INFO(be_on_die_temperature)},
127 	{DRVSTAT_INFO(rx_roce_bytes_lsd)},
128 	{DRVSTAT_INFO(rx_roce_bytes_msd)},
129 	{DRVSTAT_INFO(rx_roce_frames)},
130 	{DRVSTAT_INFO(roce_drops_payload_len)},
131 	{DRVSTAT_INFO(roce_drops_crc)}
132 };
133 
134 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
135 
136 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
137  * are first and second members respectively.
138  */
139 static const struct be_ethtool_stat et_rx_stats[] = {
140 	{DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
141 	{DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
142 	{DRVSTAT_RX_INFO(rx_compl)},
143 	{DRVSTAT_RX_INFO(rx_compl_err)},
144 	{DRVSTAT_RX_INFO(rx_mcast_pkts)},
145 	/* Number of page allocation failures while posting receive buffers
146 	 * to HW.
147 	 */
148 	{DRVSTAT_RX_INFO(rx_post_fail)},
149 	/* Recevied packets dropped due to skb allocation failure */
150 	{DRVSTAT_RX_INFO(rx_drops_no_skbs)},
151 	/* Received packets dropped due to lack of available fetched buffers
152 	 * posted by the driver.
153 	 */
154 	{DRVSTAT_RX_INFO(rx_drops_no_frags)}
155 };
156 
157 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
158 
159 /* Stats related to multi TX queues: get_stats routine assumes compl is the
160  * first member
161  */
162 static const struct be_ethtool_stat et_tx_stats[] = {
163 	{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
164 	/* This counter is incremented when the HW encounters an error while
165 	 * parsing the packet header of an outgoing TX request. This counter is
166 	 * applicable only for BE2, BE3 and Skyhawk based adapters.
167 	 */
168 	{DRVSTAT_TX_INFO(tx_hdr_parse_err)},
169 	/* This counter is incremented when an error occurs in the DMA
170 	 * operation associated with the TX request from the host to the device.
171 	 */
172 	{DRVSTAT_TX_INFO(tx_dma_err)},
173 	/* This counter is incremented when MAC or VLAN spoof checking is
174 	 * enabled on the interface and the TX request fails the spoof check
175 	 * in HW.
176 	 */
177 	{DRVSTAT_TX_INFO(tx_spoof_check_err)},
178 	/* This counter is incremented when the HW encounters an error while
179 	 * performing TSO offload. This counter is applicable only for Lancer
180 	 * adapters.
181 	 */
182 	{DRVSTAT_TX_INFO(tx_tso_err)},
183 	/* This counter is incremented when the HW detects Q-in-Q style VLAN
184 	 * tagging in a packet and such tagging is not expected on the outgoing
185 	 * interface. This counter is applicable only for Lancer adapters.
186 	 */
187 	{DRVSTAT_TX_INFO(tx_qinq_err)},
188 	/* This counter is incremented when the HW detects parity errors in the
189 	 * packet data. This counter is applicable only for Lancer adapters.
190 	 */
191 	{DRVSTAT_TX_INFO(tx_internal_parity_err)},
192 	{DRVSTAT_TX_INFO(tx_bytes)},
193 	{DRVSTAT_TX_INFO(tx_pkts)},
194 	/* Number of skbs queued for trasmission by the driver */
195 	{DRVSTAT_TX_INFO(tx_reqs)},
196 	/* Number of times the TX queue was stopped due to lack
197 	 * of spaces in the TXQ.
198 	 */
199 	{DRVSTAT_TX_INFO(tx_stops)},
200 	/* Pkts dropped in the driver's transmit path */
201 	{DRVSTAT_TX_INFO(tx_drv_drops)}
202 };
203 
204 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
205 
206 static const char et_self_tests[][ETH_GSTRING_LEN] = {
207 	"MAC Loopback test",
208 	"PHY Loopback test",
209 	"External Loopback test",
210 	"DDR DMA test",
211 	"Link test"
212 };
213 
214 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
215 #define BE_MAC_LOOPBACK 0x0
216 #define BE_PHY_LOOPBACK 0x1
217 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
218 #define BE_NO_LOOPBACK 0xff
219 
220 static void be_get_drvinfo(struct net_device *netdev,
221 			   struct ethtool_drvinfo *drvinfo)
222 {
223 	struct be_adapter *adapter = netdev_priv(netdev);
224 
225 	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
226 	strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
227 	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
228 		strlcpy(drvinfo->fw_version, adapter->fw_ver,
229 			sizeof(drvinfo->fw_version));
230 	else
231 		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
232 			 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
233 
234 	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
235 		sizeof(drvinfo->bus_info));
236 	drvinfo->testinfo_len = 0;
237 	drvinfo->regdump_len = 0;
238 	drvinfo->eedump_len = 0;
239 }
240 
241 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
242 {
243 	u32 data_read = 0, eof;
244 	u8 addn_status;
245 	struct be_dma_mem data_len_cmd;
246 	int status;
247 
248 	memset(&data_len_cmd, 0, sizeof(data_len_cmd));
249 	/* data_offset and data_size should be 0 to get reg len */
250 	status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
251 					file_name, &data_read, &eof,
252 					&addn_status);
253 
254 	return data_read;
255 }
256 
257 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
258 				u32 buf_len, void *buf)
259 {
260 	struct be_dma_mem read_cmd;
261 	u32 read_len = 0, total_read_len = 0, chunk_size;
262 	u32 eof = 0;
263 	u8 addn_status;
264 	int status = 0;
265 
266 	read_cmd.size = LANCER_READ_FILE_CHUNK;
267 	read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
268 					   &read_cmd.dma);
269 
270 	if (!read_cmd.va) {
271 		dev_err(&adapter->pdev->dev,
272 			"Memory allocation failure while reading dump\n");
273 		return -ENOMEM;
274 	}
275 
276 	while ((total_read_len < buf_len) && !eof) {
277 		chunk_size = min_t(u32, (buf_len - total_read_len),
278 				   LANCER_READ_FILE_CHUNK);
279 		chunk_size = ALIGN(chunk_size, 4);
280 		status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
281 						total_read_len, file_name,
282 						&read_len, &eof, &addn_status);
283 		if (!status) {
284 			memcpy(buf + total_read_len, read_cmd.va, read_len);
285 			total_read_len += read_len;
286 			eof &= LANCER_READ_FILE_EOF_MASK;
287 		} else {
288 			status = -EIO;
289 			break;
290 		}
291 	}
292 	pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
293 			    read_cmd.dma);
294 
295 	return status;
296 }
297 
298 static int be_get_reg_len(struct net_device *netdev)
299 {
300 	struct be_adapter *adapter = netdev_priv(netdev);
301 	u32 log_size = 0;
302 
303 	if (!check_privilege(adapter, MAX_PRIVILEGES))
304 		return 0;
305 
306 	if (be_physfn(adapter)) {
307 		if (lancer_chip(adapter))
308 			log_size = lancer_cmd_get_file_len(adapter,
309 							   LANCER_FW_DUMP_FILE);
310 		else
311 			be_cmd_get_reg_len(adapter, &log_size);
312 	}
313 	return log_size;
314 }
315 
316 static void
317 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
318 {
319 	struct be_adapter *adapter = netdev_priv(netdev);
320 
321 	if (be_physfn(adapter)) {
322 		memset(buf, 0, regs->len);
323 		if (lancer_chip(adapter))
324 			lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
325 					     regs->len, buf);
326 		else
327 			be_cmd_get_regs(adapter, regs->len, buf);
328 	}
329 }
330 
331 static int be_get_coalesce(struct net_device *netdev,
332 			   struct ethtool_coalesce *et)
333 {
334 	struct be_adapter *adapter = netdev_priv(netdev);
335 	struct be_aic_obj *aic = &adapter->aic_obj[0];
336 
337 	et->rx_coalesce_usecs = aic->prev_eqd;
338 	et->rx_coalesce_usecs_high = aic->max_eqd;
339 	et->rx_coalesce_usecs_low = aic->min_eqd;
340 
341 	et->tx_coalesce_usecs = aic->prev_eqd;
342 	et->tx_coalesce_usecs_high = aic->max_eqd;
343 	et->tx_coalesce_usecs_low = aic->min_eqd;
344 
345 	et->use_adaptive_rx_coalesce = aic->enable;
346 	et->use_adaptive_tx_coalesce = aic->enable;
347 
348 	return 0;
349 }
350 
351 /* TX attributes are ignored. Only RX attributes are considered
352  * eqd cmd is issued in the worker thread.
353  */
354 static int be_set_coalesce(struct net_device *netdev,
355 			   struct ethtool_coalesce *et)
356 {
357 	struct be_adapter *adapter = netdev_priv(netdev);
358 	struct be_aic_obj *aic = &adapter->aic_obj[0];
359 	struct be_eq_obj *eqo;
360 	int i;
361 
362 	for_all_evt_queues(adapter, eqo, i) {
363 		aic->enable = et->use_adaptive_rx_coalesce;
364 		aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
365 		aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
366 		aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
367 		aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
368 		aic++;
369 	}
370 
371 	return 0;
372 }
373 
374 static void be_get_ethtool_stats(struct net_device *netdev,
375 				 struct ethtool_stats *stats, uint64_t *data)
376 {
377 	struct be_adapter *adapter = netdev_priv(netdev);
378 	struct be_rx_obj *rxo;
379 	struct be_tx_obj *txo;
380 	void *p;
381 	unsigned int i, j, base = 0, start;
382 
383 	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
384 		p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
385 		data[i] = *(u32 *)p;
386 	}
387 	base += ETHTOOL_STATS_NUM;
388 
389 	for_all_rx_queues(adapter, rxo, j) {
390 		struct be_rx_stats *stats = rx_stats(rxo);
391 
392 		do {
393 			start = u64_stats_fetch_begin_irq(&stats->sync);
394 			data[base] = stats->rx_bytes;
395 			data[base + 1] = stats->rx_pkts;
396 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
397 
398 		for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
399 			p = (u8 *)stats + et_rx_stats[i].offset;
400 			data[base + i] = *(u32 *)p;
401 		}
402 		base += ETHTOOL_RXSTATS_NUM;
403 	}
404 
405 	for_all_tx_queues(adapter, txo, j) {
406 		struct be_tx_stats *stats = tx_stats(txo);
407 
408 		do {
409 			start = u64_stats_fetch_begin_irq(&stats->sync_compl);
410 			data[base] = stats->tx_compl;
411 		} while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
412 
413 		do {
414 			start = u64_stats_fetch_begin_irq(&stats->sync);
415 			for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
416 				p = (u8 *)stats + et_tx_stats[i].offset;
417 				data[base + i] =
418 					(et_tx_stats[i].size == sizeof(u64)) ?
419 						*(u64 *)p : *(u32 *)p;
420 			}
421 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
422 		base += ETHTOOL_TXSTATS_NUM;
423 	}
424 }
425 
426 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
427 				uint8_t *data)
428 {
429 	struct be_adapter *adapter = netdev_priv(netdev);
430 	int i, j;
431 
432 	switch (stringset) {
433 	case ETH_SS_STATS:
434 		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
435 			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
436 			data += ETH_GSTRING_LEN;
437 		}
438 		for (i = 0; i < adapter->num_rx_qs; i++) {
439 			for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
440 				sprintf(data, "rxq%d: %s", i,
441 					et_rx_stats[j].desc);
442 				data += ETH_GSTRING_LEN;
443 			}
444 		}
445 		for (i = 0; i < adapter->num_tx_qs; i++) {
446 			for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
447 				sprintf(data, "txq%d: %s", i,
448 					et_tx_stats[j].desc);
449 				data += ETH_GSTRING_LEN;
450 			}
451 		}
452 		break;
453 	case ETH_SS_TEST:
454 		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
455 			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
456 			data += ETH_GSTRING_LEN;
457 		}
458 		break;
459 	}
460 }
461 
462 static int be_get_sset_count(struct net_device *netdev, int stringset)
463 {
464 	struct be_adapter *adapter = netdev_priv(netdev);
465 
466 	switch (stringset) {
467 	case ETH_SS_TEST:
468 		return ETHTOOL_TESTS_NUM;
469 	case ETH_SS_STATS:
470 		return ETHTOOL_STATS_NUM +
471 			adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
472 			adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
473 	default:
474 		return -EINVAL;
475 	}
476 }
477 
478 static u32 be_get_port_type(struct be_adapter *adapter)
479 {
480 	u32 port;
481 
482 	switch (adapter->phy.interface_type) {
483 	case PHY_TYPE_BASET_1GB:
484 	case PHY_TYPE_BASEX_1GB:
485 	case PHY_TYPE_SGMII:
486 		port = PORT_TP;
487 		break;
488 	case PHY_TYPE_SFP_PLUS_10GB:
489 		if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
490 			port = PORT_DA;
491 		else
492 			port = PORT_FIBRE;
493 		break;
494 	case PHY_TYPE_QSFP:
495 		if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
496 			port = PORT_DA;
497 		else
498 			port = PORT_FIBRE;
499 		break;
500 	case PHY_TYPE_XFP_10GB:
501 	case PHY_TYPE_SFP_1GB:
502 		port = PORT_FIBRE;
503 		break;
504 	case PHY_TYPE_BASET_10GB:
505 		port = PORT_TP;
506 		break;
507 	default:
508 		port = PORT_OTHER;
509 	}
510 
511 	return port;
512 }
513 
514 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
515 {
516 	u32 val = 0;
517 
518 	switch (adapter->phy.interface_type) {
519 	case PHY_TYPE_BASET_1GB:
520 	case PHY_TYPE_BASEX_1GB:
521 	case PHY_TYPE_SGMII:
522 		val |= SUPPORTED_TP;
523 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
524 			val |= SUPPORTED_1000baseT_Full;
525 		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
526 			val |= SUPPORTED_100baseT_Full;
527 		if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
528 			val |= SUPPORTED_10baseT_Full;
529 		break;
530 	case PHY_TYPE_KX4_10GB:
531 		val |= SUPPORTED_Backplane;
532 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
533 			val |= SUPPORTED_1000baseKX_Full;
534 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
535 			val |= SUPPORTED_10000baseKX4_Full;
536 		break;
537 	case PHY_TYPE_KR2_20GB:
538 		val |= SUPPORTED_Backplane;
539 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
540 			val |= SUPPORTED_10000baseKR_Full;
541 		if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
542 			val |= SUPPORTED_20000baseKR2_Full;
543 		break;
544 	case PHY_TYPE_KR_10GB:
545 		val |= SUPPORTED_Backplane |
546 				SUPPORTED_10000baseKR_Full;
547 		break;
548 	case PHY_TYPE_KR4_40GB:
549 		val |= SUPPORTED_Backplane;
550 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
551 			val |= SUPPORTED_10000baseKR_Full;
552 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
553 			val |= SUPPORTED_40000baseKR4_Full;
554 		break;
555 	case PHY_TYPE_QSFP:
556 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
557 			switch (adapter->phy.cable_type) {
558 			case QSFP_PLUS_CR4_CABLE:
559 				val |= SUPPORTED_40000baseCR4_Full;
560 				break;
561 			case QSFP_PLUS_LR4_CABLE:
562 				val |= SUPPORTED_40000baseLR4_Full;
563 				break;
564 			default:
565 				val |= SUPPORTED_40000baseSR4_Full;
566 				break;
567 			}
568 		}
569 	case PHY_TYPE_SFP_PLUS_10GB:
570 	case PHY_TYPE_XFP_10GB:
571 	case PHY_TYPE_SFP_1GB:
572 		val |= SUPPORTED_FIBRE;
573 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
574 			val |= SUPPORTED_10000baseT_Full;
575 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
576 			val |= SUPPORTED_1000baseT_Full;
577 		break;
578 	case PHY_TYPE_BASET_10GB:
579 		val |= SUPPORTED_TP;
580 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
581 			val |= SUPPORTED_10000baseT_Full;
582 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
583 			val |= SUPPORTED_1000baseT_Full;
584 		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
585 			val |= SUPPORTED_100baseT_Full;
586 		break;
587 	default:
588 		val |= SUPPORTED_TP;
589 	}
590 
591 	return val;
592 }
593 
594 bool be_pause_supported(struct be_adapter *adapter)
595 {
596 	return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
597 		adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
598 		false : true;
599 }
600 
601 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
602 {
603 	struct be_adapter *adapter = netdev_priv(netdev);
604 	u8 link_status;
605 	u16 link_speed = 0;
606 	int status;
607 	u32 auto_speeds;
608 	u32 fixed_speeds;
609 
610 	if (adapter->phy.link_speed < 0) {
611 		status = be_cmd_link_status_query(adapter, &link_speed,
612 						  &link_status, 0);
613 		if (!status)
614 			be_link_status_update(adapter, link_status);
615 		ethtool_cmd_speed_set(ecmd, link_speed);
616 
617 		status = be_cmd_get_phy_info(adapter);
618 		if (!status) {
619 			auto_speeds = adapter->phy.auto_speeds_supported;
620 			fixed_speeds = adapter->phy.fixed_speeds_supported;
621 
622 			be_cmd_query_cable_type(adapter);
623 
624 			ecmd->supported =
625 				convert_to_et_setting(adapter,
626 						      auto_speeds |
627 						      fixed_speeds);
628 			ecmd->advertising =
629 				convert_to_et_setting(adapter, auto_speeds);
630 
631 			ecmd->port = be_get_port_type(adapter);
632 
633 			if (adapter->phy.auto_speeds_supported) {
634 				ecmd->supported |= SUPPORTED_Autoneg;
635 				ecmd->autoneg = AUTONEG_ENABLE;
636 				ecmd->advertising |= ADVERTISED_Autoneg;
637 			}
638 
639 			ecmd->supported |= SUPPORTED_Pause;
640 			if (be_pause_supported(adapter))
641 				ecmd->advertising |= ADVERTISED_Pause;
642 
643 			switch (adapter->phy.interface_type) {
644 			case PHY_TYPE_KR_10GB:
645 			case PHY_TYPE_KX4_10GB:
646 				ecmd->transceiver = XCVR_INTERNAL;
647 				break;
648 			default:
649 				ecmd->transceiver = XCVR_EXTERNAL;
650 				break;
651 			}
652 		} else {
653 			ecmd->port = PORT_OTHER;
654 			ecmd->autoneg = AUTONEG_DISABLE;
655 			ecmd->transceiver = XCVR_DUMMY1;
656 		}
657 
658 		/* Save for future use */
659 		adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
660 		adapter->phy.port_type = ecmd->port;
661 		adapter->phy.transceiver = ecmd->transceiver;
662 		adapter->phy.autoneg = ecmd->autoneg;
663 		adapter->phy.advertising = ecmd->advertising;
664 		adapter->phy.supported = ecmd->supported;
665 	} else {
666 		ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
667 		ecmd->port = adapter->phy.port_type;
668 		ecmd->transceiver = adapter->phy.transceiver;
669 		ecmd->autoneg = adapter->phy.autoneg;
670 		ecmd->advertising = adapter->phy.advertising;
671 		ecmd->supported = adapter->phy.supported;
672 	}
673 
674 	ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
675 	ecmd->phy_address = adapter->port_num;
676 
677 	return 0;
678 }
679 
680 static void be_get_ringparam(struct net_device *netdev,
681 			     struct ethtool_ringparam *ring)
682 {
683 	struct be_adapter *adapter = netdev_priv(netdev);
684 
685 	ring->rx_max_pending = adapter->rx_obj[0].q.len;
686 	ring->rx_pending = adapter->rx_obj[0].q.len;
687 	ring->tx_max_pending = adapter->tx_obj[0].q.len;
688 	ring->tx_pending = adapter->tx_obj[0].q.len;
689 }
690 
691 static void
692 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
693 {
694 	struct be_adapter *adapter = netdev_priv(netdev);
695 
696 	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
697 	ecmd->autoneg = adapter->phy.fc_autoneg;
698 }
699 
700 static int
701 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
702 {
703 	struct be_adapter *adapter = netdev_priv(netdev);
704 	int status;
705 
706 	if (ecmd->autoneg != adapter->phy.fc_autoneg)
707 		return -EINVAL;
708 
709 	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
710 					 ecmd->rx_pause);
711 	if (status) {
712 		dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
713 		return be_cmd_status(status);
714 	}
715 
716 	adapter->tx_fc = ecmd->tx_pause;
717 	adapter->rx_fc = ecmd->rx_pause;
718 	return 0;
719 }
720 
721 static int be_set_phys_id(struct net_device *netdev,
722 			  enum ethtool_phys_id_state state)
723 {
724 	struct be_adapter *adapter = netdev_priv(netdev);
725 
726 	switch (state) {
727 	case ETHTOOL_ID_ACTIVE:
728 		be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
729 					&adapter->beacon_state);
730 		return 1;	/* cycle on/off once per second */
731 
732 	case ETHTOOL_ID_ON:
733 		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
734 					BEACON_STATE_ENABLED);
735 		break;
736 
737 	case ETHTOOL_ID_OFF:
738 		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
739 					BEACON_STATE_DISABLED);
740 		break;
741 
742 	case ETHTOOL_ID_INACTIVE:
743 		be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
744 					adapter->beacon_state);
745 	}
746 
747 	return 0;
748 }
749 
750 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
751 {
752 	struct be_adapter *adapter = netdev_priv(netdev);
753 	struct device *dev = &adapter->pdev->dev;
754 	int status;
755 
756 	if (!lancer_chip(adapter) ||
757 	    !check_privilege(adapter, MAX_PRIVILEGES))
758 		return -EOPNOTSUPP;
759 
760 	switch (dump->flag) {
761 	case LANCER_INITIATE_FW_DUMP:
762 		status = lancer_initiate_dump(adapter);
763 		if (!status)
764 			dev_info(dev, "FW dump initiated successfully\n");
765 		break;
766 	case LANCER_DELETE_FW_DUMP:
767 		status = lancer_delete_dump(adapter);
768 		if (!status)
769 			dev_info(dev, "FW dump deleted successfully\n");
770 	break;
771 	default:
772 		dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
773 		return -EINVAL;
774 	}
775 	return status;
776 }
777 
778 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
779 {
780 	struct be_adapter *adapter = netdev_priv(netdev);
781 
782 	if (adapter->wol_cap & BE_WOL_CAP) {
783 		wol->supported |= WAKE_MAGIC;
784 		if (adapter->wol_en)
785 			wol->wolopts |= WAKE_MAGIC;
786 	} else {
787 		wol->wolopts = 0;
788 	}
789 	memset(&wol->sopass, 0, sizeof(wol->sopass));
790 }
791 
792 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
793 {
794 	struct be_adapter *adapter = netdev_priv(netdev);
795 
796 	if (wol->wolopts & ~WAKE_MAGIC)
797 		return -EOPNOTSUPP;
798 
799 	if (!(adapter->wol_cap & BE_WOL_CAP)) {
800 		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
801 		return -EOPNOTSUPP;
802 	}
803 
804 	if (wol->wolopts & WAKE_MAGIC)
805 		adapter->wol_en = true;
806 	else
807 		adapter->wol_en = false;
808 
809 	return 0;
810 }
811 
812 static int be_test_ddr_dma(struct be_adapter *adapter)
813 {
814 	int ret, i;
815 	struct be_dma_mem ddrdma_cmd;
816 	static const u64 pattern[2] = {
817 		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
818 	};
819 
820 	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
821 	ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
822 					   &ddrdma_cmd.dma, GFP_KERNEL);
823 	if (!ddrdma_cmd.va)
824 		return -ENOMEM;
825 
826 	for (i = 0; i < 2; i++) {
827 		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
828 					  4096, &ddrdma_cmd);
829 		if (ret != 0)
830 			goto err;
831 	}
832 
833 err:
834 	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
835 			  ddrdma_cmd.dma);
836 	return be_cmd_status(ret);
837 }
838 
839 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
840 			    u64 *status)
841 {
842 	be_cmd_set_loopback(adapter, adapter->hba_port_num, loopback_type, 1);
843 	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
844 				       loopback_type, 1500, 2, 0xabc);
845 	be_cmd_set_loopback(adapter, adapter->hba_port_num, BE_NO_LOOPBACK, 1);
846 	return *status;
847 }
848 
849 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
850 			 u64 *data)
851 {
852 	struct be_adapter *adapter = netdev_priv(netdev);
853 	int status;
854 	u8 link_status = 0;
855 
856 	if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
857 		dev_err(&adapter->pdev->dev, "Self test not supported\n");
858 		test->flags |= ETH_TEST_FL_FAILED;
859 		return;
860 	}
861 
862 	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
863 
864 	if (test->flags & ETH_TEST_FL_OFFLINE) {
865 		if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
866 			test->flags |= ETH_TEST_FL_FAILED;
867 
868 		if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
869 			test->flags |= ETH_TEST_FL_FAILED;
870 
871 		if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
872 			if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
873 					     &data[2]) != 0)
874 				test->flags |= ETH_TEST_FL_FAILED;
875 			test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
876 		}
877 	}
878 
879 	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
880 		data[3] = 1;
881 		test->flags |= ETH_TEST_FL_FAILED;
882 	}
883 
884 	status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
885 	if (status) {
886 		test->flags |= ETH_TEST_FL_FAILED;
887 		data[4] = -1;
888 	} else if (!link_status) {
889 		test->flags |= ETH_TEST_FL_FAILED;
890 		data[4] = 1;
891 	}
892 }
893 
894 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
895 {
896 	struct be_adapter *adapter = netdev_priv(netdev);
897 
898 	return be_load_fw(adapter, efl->data);
899 }
900 
901 static int be_get_eeprom_len(struct net_device *netdev)
902 {
903 	struct be_adapter *adapter = netdev_priv(netdev);
904 
905 	if (!check_privilege(adapter, MAX_PRIVILEGES))
906 		return 0;
907 
908 	if (lancer_chip(adapter)) {
909 		if (be_physfn(adapter))
910 			return lancer_cmd_get_file_len(adapter,
911 						       LANCER_VPD_PF_FILE);
912 		else
913 			return lancer_cmd_get_file_len(adapter,
914 						       LANCER_VPD_VF_FILE);
915 	} else {
916 		return BE_READ_SEEPROM_LEN;
917 	}
918 }
919 
920 static int be_read_eeprom(struct net_device *netdev,
921 			  struct ethtool_eeprom *eeprom, uint8_t *data)
922 {
923 	struct be_adapter *adapter = netdev_priv(netdev);
924 	struct be_dma_mem eeprom_cmd;
925 	struct be_cmd_resp_seeprom_read *resp;
926 	int status;
927 
928 	if (!eeprom->len)
929 		return -EINVAL;
930 
931 	if (lancer_chip(adapter)) {
932 		if (be_physfn(adapter))
933 			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
934 						    eeprom->len, data);
935 		else
936 			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
937 						    eeprom->len, data);
938 	}
939 
940 	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
941 
942 	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
943 	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
944 	eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
945 					   &eeprom_cmd.dma, GFP_KERNEL);
946 
947 	if (!eeprom_cmd.va)
948 		return -ENOMEM;
949 
950 	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
951 
952 	if (!status) {
953 		resp = eeprom_cmd.va;
954 		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
955 	}
956 	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
957 			  eeprom_cmd.dma);
958 
959 	return be_cmd_status(status);
960 }
961 
962 static u32 be_get_msg_level(struct net_device *netdev)
963 {
964 	struct be_adapter *adapter = netdev_priv(netdev);
965 
966 	return adapter->msg_enable;
967 }
968 
969 static void be_set_msg_level(struct net_device *netdev, u32 level)
970 {
971 	struct be_adapter *adapter = netdev_priv(netdev);
972 
973 	if (adapter->msg_enable == level)
974 		return;
975 
976 	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
977 		if (BEx_chip(adapter))
978 			be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
979 						FW_LOG_LEVEL_DEFAULT :
980 						FW_LOG_LEVEL_FATAL);
981 	adapter->msg_enable = level;
982 }
983 
984 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
985 {
986 	u64 data = 0;
987 
988 	switch (flow_type) {
989 	case TCP_V4_FLOW:
990 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
991 			data |= RXH_IP_DST | RXH_IP_SRC;
992 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
993 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
994 		break;
995 	case UDP_V4_FLOW:
996 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
997 			data |= RXH_IP_DST | RXH_IP_SRC;
998 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
999 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1000 		break;
1001 	case TCP_V6_FLOW:
1002 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1003 			data |= RXH_IP_DST | RXH_IP_SRC;
1004 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1005 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1006 		break;
1007 	case UDP_V6_FLOW:
1008 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1009 			data |= RXH_IP_DST | RXH_IP_SRC;
1010 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1011 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1012 		break;
1013 	}
1014 
1015 	return data;
1016 }
1017 
1018 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1019 			u32 *rule_locs)
1020 {
1021 	struct be_adapter *adapter = netdev_priv(netdev);
1022 
1023 	if (!be_multi_rxq(adapter)) {
1024 		dev_info(&adapter->pdev->dev,
1025 			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1026 		return -EINVAL;
1027 	}
1028 
1029 	switch (cmd->cmd) {
1030 	case ETHTOOL_GRXFH:
1031 		cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1032 		break;
1033 	case ETHTOOL_GRXRINGS:
1034 		cmd->data = adapter->num_rx_qs - 1;
1035 		break;
1036 	default:
1037 		return -EINVAL;
1038 	}
1039 
1040 	return 0;
1041 }
1042 
1043 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1044 				struct ethtool_rxnfc *cmd)
1045 {
1046 	struct be_rx_obj *rxo;
1047 	int status = 0, i, j;
1048 	u8 rsstable[128];
1049 	u32 rss_flags = adapter->rss_info.rss_flags;
1050 
1051 	if (cmd->data != L3_RSS_FLAGS &&
1052 	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1053 		return -EINVAL;
1054 
1055 	switch (cmd->flow_type) {
1056 	case TCP_V4_FLOW:
1057 		if (cmd->data == L3_RSS_FLAGS)
1058 			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1059 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1060 			rss_flags |= RSS_ENABLE_IPV4 |
1061 					RSS_ENABLE_TCP_IPV4;
1062 		break;
1063 	case TCP_V6_FLOW:
1064 		if (cmd->data == L3_RSS_FLAGS)
1065 			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1066 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1067 			rss_flags |= RSS_ENABLE_IPV6 |
1068 					RSS_ENABLE_TCP_IPV6;
1069 		break;
1070 	case UDP_V4_FLOW:
1071 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1072 		    BEx_chip(adapter))
1073 			return -EINVAL;
1074 
1075 		if (cmd->data == L3_RSS_FLAGS)
1076 			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1077 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1078 			rss_flags |= RSS_ENABLE_IPV4 |
1079 					RSS_ENABLE_UDP_IPV4;
1080 		break;
1081 	case UDP_V6_FLOW:
1082 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1083 		    BEx_chip(adapter))
1084 			return -EINVAL;
1085 
1086 		if (cmd->data == L3_RSS_FLAGS)
1087 			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1088 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1089 			rss_flags |= RSS_ENABLE_IPV6 |
1090 					RSS_ENABLE_UDP_IPV6;
1091 		break;
1092 	default:
1093 		return -EINVAL;
1094 	}
1095 
1096 	if (rss_flags == adapter->rss_info.rss_flags)
1097 		return status;
1098 
1099 	if (be_multi_rxq(adapter)) {
1100 		for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {
1101 			for_all_rss_queues(adapter, rxo, i) {
1102 				if ((j + i) >= 128)
1103 					break;
1104 				rsstable[j + i] = rxo->rss_id;
1105 			}
1106 		}
1107 	}
1108 
1109 	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1110 				   rss_flags, 128, adapter->rss_info.rss_hkey);
1111 	if (!status)
1112 		adapter->rss_info.rss_flags = rss_flags;
1113 
1114 	return be_cmd_status(status);
1115 }
1116 
1117 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1118 {
1119 	struct be_adapter *adapter = netdev_priv(netdev);
1120 	int status = 0;
1121 
1122 	if (!be_multi_rxq(adapter)) {
1123 		dev_err(&adapter->pdev->dev,
1124 			"ethtool::set_rxnfc: RX flow hashing is disabled\n");
1125 		return -EINVAL;
1126 	}
1127 
1128 	switch (cmd->cmd) {
1129 	case ETHTOOL_SRXFH:
1130 		status = be_set_rss_hash_opts(adapter, cmd);
1131 		break;
1132 	default:
1133 		return -EINVAL;
1134 	}
1135 
1136 	return status;
1137 }
1138 
1139 static void be_get_channels(struct net_device *netdev,
1140 			    struct ethtool_channels *ch)
1141 {
1142 	struct be_adapter *adapter = netdev_priv(netdev);
1143 
1144 	ch->combined_count = adapter->num_evt_qs;
1145 	ch->max_combined = be_max_qs(adapter);
1146 }
1147 
1148 static int be_set_channels(struct net_device  *netdev,
1149 			   struct ethtool_channels *ch)
1150 {
1151 	struct be_adapter *adapter = netdev_priv(netdev);
1152 	int status;
1153 
1154 	if (ch->rx_count || ch->tx_count || ch->other_count ||
1155 	    !ch->combined_count || ch->combined_count > be_max_qs(adapter))
1156 		return -EINVAL;
1157 
1158 	adapter->cfg_num_qs = ch->combined_count;
1159 
1160 	status = be_update_queues(adapter);
1161 	return be_cmd_status(status);
1162 }
1163 
1164 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1165 {
1166 	return RSS_INDIR_TABLE_LEN;
1167 }
1168 
1169 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1170 {
1171 	return RSS_HASH_KEY_LEN;
1172 }
1173 
1174 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1175 		       u8 *hfunc)
1176 {
1177 	struct be_adapter *adapter = netdev_priv(netdev);
1178 	int i;
1179 	struct rss_info *rss = &adapter->rss_info;
1180 
1181 	if (indir) {
1182 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1183 			indir[i] = rss->rss_queue[i];
1184 	}
1185 
1186 	if (hkey)
1187 		memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1188 
1189 	if (hfunc)
1190 		*hfunc = ETH_RSS_HASH_TOP;
1191 
1192 	return 0;
1193 }
1194 
1195 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1196 		       const u8 *hkey, const u8 hfunc)
1197 {
1198 	int rc = 0, i, j;
1199 	struct be_adapter *adapter = netdev_priv(netdev);
1200 	u8 rsstable[RSS_INDIR_TABLE_LEN];
1201 
1202 	/* We do not allow change in unsupported parameters */
1203 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1204 		return -EOPNOTSUPP;
1205 
1206 	if (indir) {
1207 		struct be_rx_obj *rxo;
1208 
1209 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1210 			j = indir[i];
1211 			rxo = &adapter->rx_obj[j];
1212 			rsstable[i] = rxo->rss_id;
1213 			adapter->rss_info.rss_queue[i] = j;
1214 		}
1215 	} else {
1216 		memcpy(rsstable, adapter->rss_info.rsstable,
1217 		       RSS_INDIR_TABLE_LEN);
1218 	}
1219 
1220 	if (!hkey)
1221 		hkey =  adapter->rss_info.rss_hkey;
1222 
1223 	rc = be_cmd_rss_config(adapter, rsstable,
1224 			       adapter->rss_info.rss_flags,
1225 			       RSS_INDIR_TABLE_LEN, hkey);
1226 	if (rc) {
1227 		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1228 		return -EIO;
1229 	}
1230 	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1231 	memcpy(adapter->rss_info.rsstable, rsstable,
1232 	       RSS_INDIR_TABLE_LEN);
1233 	return 0;
1234 }
1235 
1236 static int be_get_module_info(struct net_device *netdev,
1237 			      struct ethtool_modinfo *modinfo)
1238 {
1239 	struct be_adapter *adapter = netdev_priv(netdev);
1240 	u8 page_data[PAGE_DATA_LEN];
1241 	int status;
1242 
1243 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1244 		return -EOPNOTSUPP;
1245 
1246 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1247 						   page_data);
1248 	if (!status) {
1249 		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1250 			modinfo->type = ETH_MODULE_SFF_8079;
1251 			modinfo->eeprom_len = PAGE_DATA_LEN;
1252 		} else {
1253 			modinfo->type = ETH_MODULE_SFF_8472;
1254 			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1255 		}
1256 	}
1257 	return be_cmd_status(status);
1258 }
1259 
1260 static int be_get_module_eeprom(struct net_device *netdev,
1261 				struct ethtool_eeprom *eeprom, u8 *data)
1262 {
1263 	struct be_adapter *adapter = netdev_priv(netdev);
1264 	int status;
1265 
1266 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1267 		return -EOPNOTSUPP;
1268 
1269 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1270 						   data);
1271 	if (status)
1272 		goto err;
1273 
1274 	if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1275 		status = be_cmd_read_port_transceiver_data(adapter,
1276 							   TR_PAGE_A2,
1277 							   data +
1278 							   PAGE_DATA_LEN);
1279 		if (status)
1280 			goto err;
1281 	}
1282 	if (eeprom->offset)
1283 		memcpy(data, data + eeprom->offset, eeprom->len);
1284 err:
1285 	return be_cmd_status(status);
1286 }
1287 
1288 const struct ethtool_ops be_ethtool_ops = {
1289 	.get_settings = be_get_settings,
1290 	.get_drvinfo = be_get_drvinfo,
1291 	.get_wol = be_get_wol,
1292 	.set_wol = be_set_wol,
1293 	.get_link = ethtool_op_get_link,
1294 	.get_eeprom_len = be_get_eeprom_len,
1295 	.get_eeprom = be_read_eeprom,
1296 	.get_coalesce = be_get_coalesce,
1297 	.set_coalesce = be_set_coalesce,
1298 	.get_ringparam = be_get_ringparam,
1299 	.get_pauseparam = be_get_pauseparam,
1300 	.set_pauseparam = be_set_pauseparam,
1301 	.get_strings = be_get_stat_strings,
1302 	.set_phys_id = be_set_phys_id,
1303 	.set_dump = be_set_dump,
1304 	.get_msglevel = be_get_msg_level,
1305 	.set_msglevel = be_set_msg_level,
1306 	.get_sset_count = be_get_sset_count,
1307 	.get_ethtool_stats = be_get_ethtool_stats,
1308 	.get_regs_len = be_get_reg_len,
1309 	.get_regs = be_get_regs,
1310 	.flash_device = be_do_flash,
1311 	.self_test = be_self_test,
1312 	.get_rxnfc = be_get_rxnfc,
1313 	.set_rxnfc = be_set_rxnfc,
1314 	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1315 	.get_rxfh_key_size = be_get_rxfh_key_size,
1316 	.get_rxfh = be_get_rxfh,
1317 	.set_rxfh = be_set_rxfh,
1318 	.get_channels = be_get_channels,
1319 	.set_channels = be_set_channels,
1320 	.get_module_info = be_get_module_info,
1321 	.get_module_eeprom = be_get_module_eeprom
1322 };
1323